const express = require('express')
const app = express()

app.use((req, res, next) => {
	console.log('有人请求服务器2了');
	next()
})

app.get('/cars', (req, res) => {
	const cars = [
		{ id: '001', name: '奔驰', price: 199 },
		{ id: '002', name: '马自达', price: 109 },
		{ id: '003', name: '捷达', price: 120 },
	]
	res.send(cars)
})

app.listen(3004, (err) => {
	if (!err) console.log('服务器2启动成功了,请求汽车信息地址为：http://localhost:3004/cars');
})
